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Hebei Liston Lifting Rigging Manufacturing Co., Ltd.
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Wire rope electric hoist wire rope elasticity lower scrap standards

2018-07-13
Wire rope Electric Hoist wire rope to some of the very minor damage is required when all the strands in a good balance of stress, the general use of the usual test methods may not be clear. However, this damage will cause the strength of the wire rope to be greatly reduced. Therefore, any minor internal damage found should be examined and identified. Once it is determined to be damaged, the wire rope should be scrapped.
Reduced elasticity of wire rope:
In some cases (usually associated with the working environment), the elasticity of the wire rope is significantly reduced. If you continue to use it, it is not safe. The reduction of the elasticity of the wire rope is difficult to detect, and the reduction in elasticity is generally accompanied by the following phenomena:
1, the rope diameter decreases.
2, wire rope pitch elongation.
3. As the parts are pressed against each other, the gap between the wires and the strands decreases.
4, fine brown powder appears in the recess of the strand.

5. Although no broken wire was found, the wire rope is obviously not easily bent. At the same time, the reduction of its diameter is also much faster than the reduction of the diameter due to wear alone. This situation will lead to sudden breakage of the wire rope under dynamic load and should be immediately scrapped.

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